How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

I scream, you scream, we all scream for homemade spearmint ice cream!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

The purpose of this science fair project is to build a basic radio.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Give your budding young observers a chance to discover simple machines at use in their own home.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This science fair project idea produces sounds by creating vibrations using different objects.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!